Maria has to baby-sit. That’s______ she can"t come with us.A．whyB．hoC．whenD．what

题型：不详难度：来源：

Maria has to baby-sit. That’s______ she can"t come with us.

A．why

B．ho

C．when

D．what

答案

解析

略

举一反三

____ surprised me most was ______ they had finished it so quickly.

A．What, what

B．That, that

C．What, that

D．That, what

题型：不详难度：| 查看答案

The reason why she couldn’t come to the meeting was_____ she had not been invited.

A．because

B．which

C．that

D．why

题型：不详难度：| 查看答案

Put yourself in situations where you"re forced to communicate in English, ______ you"ll see more progress over time．

A．until

B．or

C．but

D．and

题型：不详难度：| 查看答案

27．It was the President himself______ opened the door．

A．who

B．when

C．which

D．where

题型：不详难度：| 查看答案

The Mekong River Commission has found no evidence ______ the dams on the upper reaches have an influence on the water flow downstream．

A．which

B．that

C．where

D．what

题型：不详难度：| 查看答案